EP3071450B1 - Illuminated door handle - Google Patents
Illuminated door handle Download PDFInfo
- Publication number
- EP3071450B1 EP3071450B1 EP14830541.0A EP14830541A EP3071450B1 EP 3071450 B1 EP3071450 B1 EP 3071450B1 EP 14830541 A EP14830541 A EP 14830541A EP 3071450 B1 EP3071450 B1 EP 3071450B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- door handle
- guiding lens
- light guide
- entrance surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000004308 accommodation Effects 0.000 claims description 17
- 238000005286 illumination Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
- B60Q1/2669—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on door or boot handles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/10—Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
- E05B85/14—Handles pivoted about an axis parallel to the wing
- E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/19—Attachment of light sources or lamp holders
- F21S43/195—Details of lamp holders, terminals or connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/50—Waterproofing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/40—Welcome lights, i.e. specific or existing exterior lamps to assist leaving or approaching the vehicle
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
Definitions
- the invention relates to a door handle including a lamp unit in which a light guiding lens guides light in a predetermined direction.
- a circuit board is supported by a housing, a light emission element that functions as a light source is mounted on the circuit board, and light emitted from the light emission element is radiated in a predetermined direction (for example, see Japanese Patent Application Publication 2010-229797 ( JP-A-2010-229797 ), Japanese Patent Application Publication 2009-133133 ( JP-A-2009-133133 ), and Japanese Patent Application Publication 2006-9279 ( JP-A-2006-9279 )).
- JP-A-2007-186943 describes a door handle comprising a light source part joined to one end of a light guide plate formed of light transmitting resin.
- the light source part is composed of a case formed of light transmitting member, a cover put on the case and LEDs on a PCB.
- JP-A-2010-229797 and JP-A-2009-133133 describe a light unit provided in a door handle that illuminates an area around the user's feet when a door is opened or closed. By illuminating the area around the user's feet, the user can see whether there is a puddle or the like when the door is opened or closed, and thus the user-friendliness increases.
- JP-A-2009-270363 also describes a light unit provided in a door handle.
- a light guide extending in a front-rear direction is provided in a casing, and light is radiated outside from the light guide.
- a configuration capable of both spot illumination toward, for example, an area around the user's feet from one end portion of the door handle in a longitudinal direction and illumination extending in the front-rear direction along a shape of the door handle can be adopted.
- the door handle Since the door handle is gripped and moved (caused to pivot) by the user when the user operates the door handle, the door handle may be deflected upon reception of operating force by the user.
- a structure including two light components for realizing the both kinds of the illumination, as described above, is provided in the door handle, it is desirable that each light component has a high strength.
- each light component is disposed with a high positional accuracy.
- the invention provides a door handle in which a structure including two light components achieve a high strength and a high positional accuracy.
- An aspect of the invention relates to a door handle as defined in claim 1.
- the combination member and the light guide are disposed in the accommodation space as separate members.
- a high strength and a high positional accuracy of a structure including two light components can be achieved.
- the light guiding lens may include a first light guiding lens and a second light guiding lens.
- the first light guiding lens may include a first emission surface that emits light emitted from the light emission element downward of the door handle, and the second light guiding lens may include a second emission surface that emits light emitted from the light emission element toward the light entrance surface of the light guide.
- the light guide may include, in an upper surface, a light output surface that emits light entering the light guide through the light entrance surface.
- the light guide includes a cover portion that covers a portion of the light guiding lens.
- the cover portion is provided at a side of the light entrance surface of the light guide.
- a door handle 1 is used as a handle provided for a door 100 of a vehicle.
- the door handle 1 has a shape extending in a front-rear direction of the vehicle, for example, and includes a casing 2 and a lamp unit 12 disposed inside the casing 2, which will be described later ( FIGs. 1 to 3 ).
- a panel concavity 101a is formed in an outer surface of the door panel 101.
- the panel concavity 101a accommodates user's (occupant's) fingers put in an inner side of the door handle 1.
- the door handle 1 pivots about the front end portion such that a rear end portion thereof moves in a right-left direction of the vehicle.
- the door handle 1 is caused to pivot by the user's operation in a direction in which the rear end portion moves away from the door panel 101.
- the door handle 1 is caused to pivot by an urging member, which is not shown in the drawings, in a direction in which the rear end portion moves closer to the door panel 101. Then, the door handle 1 returns to an initial position, which is a position of the door handle 1 before the use's operation.
- the key is detected by a detection unit (not shown in the drawings) provided in the door handle 1.
- the lamp unit 12 (described later) disposed inside the door handle 1 radiates light upon detection of the key.
- the lamp unit 12 radiates light toward a road surface at least below the door handle 1, and then a road surface around the use's feet is illuminated by the radiated light. Due to the radiated light, the user can see whether there is a puddle or the like when the door 100 is opened or closed during the night. Thus, the user-friendliness increases.
- a concaved gripping portion 1a is provided in the door handle 1 except the front and rear end portions.
- the concaved gripping portion 1a is concaved outward, or in a direction away from the door panel 101 ( FIGs 1 and 2 ).
- the user (occupant) grips the concaved gripping portion 1a by putting the fingers in an inner side of the concaved gripping portion 1a to operate the door handle 1.
- the casing 2 includes a first panel 3, a second panel 4, and a inner panel 5 ( FIG. 4 ).
- the first panel 3 and the second panel 4 are joined to each other in the right-left direction.
- the first panel 3 is positioned on the outer side and the second panel 4 is positioned on the inner side, i.e., on a side closer to the door panel 101.
- the inner panel 5 is positioned inside both the panels 3 and 4, at least at a rear end side.
- An accommodation recess 6 opening generally frontward is provided in the inner panel 5.
- a positioning pin 7 extending in the generally right-left direction is provided on the inner panel 5 at a position close to a lower edge of the inner panel 5.
- An annular-shaped restriction wall portion 8 extending in an up-down direction of the vehicle is provided in a lower end portion of the casing 2.
- a space inside the restriction wall portion 8 communicates with an accommodation space 9 and a space below the door handle 1 ( FIGs. 4 and 5 ).
- the restriction wall portion 8 is formed by a lower end portion of the second panel 4 and a lower end portion of the inner panel 5 connecting to each other in a circumferential direction of the restriction wall portion 8.
- the restriction wall portion 8 has a flared internal shape (i.e., a shape in which an internal diameter of the restriction wall portion 8 increases downward).
- the accommodation space 9 extending in the front-rear direction is defined between the first panel 3 and the second panel 4.
- the accommodation space 9 has a first space 10 and a second space 11.
- the first space 10 is positioned below the second space 11.
- the second space 11 opens upward and an opening 11a at the top is formed as a slit extending in the generally front-rear direction.
- a positioning recess 3a is provided in an inner surface of the first panel 3 except a rear end side portion thereof.
- the positioning recess 3a opens toward the second panel 4 and extends in the generally front-rear direction.
- a positioning recess 4a is provided in an inner surface of the second panel 4 except a rear end side portion thereof.
- the positioning recess 4a opens toward at least the first panel 3 and extends in the generally front-rear direction.
- the positioning recess 4a faces the positioning recess 3a provided in the first panel 3.
- a dividing protrusion 4b protruding toward the first panel 3 is provided in an intermediate portion of the second panel 4 in the up-down direction.
- the accommodation space 9 except a portion thereof is divided into the first space 10 and the second space 11 by the dividing protrusion 4b.
- the positioning recess 4c opening toward the first panel 3 is provided in the second panel 4 at a position close to a lower edge thereof ( FIG. 5 ).
- the lamp unit 12 is disposed in the accommodation space 9 defined in the casing 2 ( FIGs. 2 to 5 ).
- the lamp unit 12 includes a lamp member 13 and a light guide 14.
- the lamp member 13 includes a combination member 15 made of a transparent material, a circuit board 16 supported by the combination member 15, a gasket 17 attached to the combination member 15, and a lid member 18 joined to the combination member 15 ( FIGs. 4 and 6 ).
- the combination member 15 includes a housing 19, a first light guiding lens 20, and a second light guiding lens 21.
- the housing 19, the first light guiding lens 20, and the second light guiding lens 21 are integrated as the combination member 15.
- the combination member 15 is disposed in the first space 10 of the accommodation space 9 with the housing 19 being attached to the casing 2 and at least a portion of the combination member 15 being disposed in the accommodation recess 6 of the inner panel 5.
- the housing 19 includes a board mounting portion 22 having a box shape opening upward, a code passage portion 23 protruding downward from a rear end side portion of the board mounting portion 22, a positioning protrusion 24 protruding rearward from the board mounting portion 22 and the code passage portion 23, and joining protrusions 25 provided on right and left side surfaces of the board mounting portion 22.
- An inner shape of the board mounting portion 22 is the same as an outer shape of the circuit board 16, and is slightly larger in size than the outer shape of the circuit board 16.
- the code passage portion 23 has a tube shape extending in the up-down direction.
- the positioning hole 24a is provided in the positioning protrusion 24.
- the positioning hole 24a extends through the positioning protrusion 24 in the right-left direction.
- Two joining protrusions 25 are provided on each of the right and left side surfaces of the board mounting portion 22 ( FIGs. 5 and 6 ).
- the two joining protrusions 25 on the same side surface of the board mounting portion 22 are spaced apart in the front-rear direction.
- the first light guiding lens 20 protrudes downward from a front end side portion of the board mounting portion 22 ( FIGs. 4 and 6 ).
- the first light guiding lens 20 is positioned in front of the code passage portion 23 with a space therebetween.
- the space between the first light guiding lens 20 and the code passage portion 23 is defined as the code insertion slit 15a.
- the first light guiding lens 20 has a columnar shape extending in the up-down direction.
- the first light guiding lens 20 has a first incident surface 20a facing upward on an upper end thereof and a first emission surface 20b on a lower end thereof.
- the first emission surface 20b is slanted downward as a distance from the vehicle in the right-left direction increases. In other words, the first emission surface 20b is slanted upward with respect to a plane perpendicular to a light axis P of light emitted from a light emission element 28 in a direction from the outside toward the inside in the right-left direction ( FIG. 5 ).
- a positioning protrusion 20f protruding in a lateral direction of the first light guiding lens 20 is provided the first light guiding lens 20 in the at a position close to the lower end.
- the second light guiding lens 21 is positioned in front of the first light guiding lens 20 ( FIGs. 4 and 6 ).
- the second light guiding lens 21 has a second incident surface 21a at an upper surface of a lower end portion and a function surface 21b facing generally forward at an upper end portion.
- the function surface 21b functions as a second emission surface.
- the second light guiding lens 21 has a first reflection surface 21c facing downward at the lower end portion, and a second reflection surface 21d that faces frontward and obliquely downward and is disposed between the first reflection surface 21c and the function surface 21b.
- the second light guiding lens 21 has a third reflection surface 21e that is continuous with the function surface 21b and faces rearward and obliquely upward.
- the third reflection surface 21e is positioned above the first reflection surface 21c. In each of the first reflection surface 21c, the second reflection surface 21d, and the third reflection surface 21e, light can be reflected by internal reflection.
- the combination member 15 configured as described above is positioned with respect to the casing 2 by inserting the positioning pin 7 of the inner panel 5 in the positioning hole 24a provided in the positioning protrusion 24 of the housing 19 and inserting the positioning protrusion 20f of the first light guiding lens 20 in the positioning recess 4c provided in the second panel 4.
- the combination member 15 is disposed in the first space 10 of the accommodation space 9.
- the lower end portion of the first light guiding lens 20 is positioned inside the upper end portion of the restriction wall portion 8 of the casing 2, and thus the first emission surface 20b of the first light guiding lens 20 is positioned above the lower surface 2a of the casing 2.
- the plate-shaped circuit board 16 has a surface (an upper surface 16a) facing upward and a surface (a lower surface 16b) facing downward ( FIGs. 4 to 7 ).
- the circuit board 16 is a double-sided circuit board.
- a diode 26 having a rectifying function and resistors 27 having a function to restrict current are mounted on a front half portion of the upper surface 16a of the circuit board 16.
- a light emission element 28 functioning as a light source that emits light, and a capacitor 29 having a function to store electricity and a discharge function are mounted on a front half portion of the lower surface 16b of the circuit board 16.
- the light emission element 28 is positioned in front of the capacitor 29.
- a light emitting diode (LED) is used as the light emission element 28, for example.
- the light emission element 28 is disposed such that a light emission surface 28a thereof faces downward.
- the light axis P of light emitted from the light emission element 28 extends along the up-down direction.
- Connection codes 30 supply driving current to the light emission element 28 and the like.
- One end of each connection code 30 is connected to a rear half portion of the circuit board 16 from below by, for example, soldering.
- the connection codes 30 pass through the first space 10 of the accommodation space 9, and, via a front end portion of the casing 2, pass through the inside of the door 100.
- the other end of each connection code 30 is connected to a power supply circuit, which is not shown in the drawings.
- a bushing 31 is fitted onto a portion of the connection codes 30 near the one end, and protects the connection codes 30 ( FIGs. 4 and 6 ).
- the bushing 31 is an elastically deformable member made of, for example, a rubber material.
- the circuit board 16 is inserted in the board mounting portion 22 from above the housing 19 with the connection codes 30 being connected to the circuit board 16, and then disposed in the board mounting portion 22 ( FIGs. 4 and 5 ).
- connection codes 30 and the bushing 31 protecting the connection codes 30 are inserted in the code passage portion 23 from above.
- the connection codes 30 and the bushing 31 are attached to the housing 19 ( FIG. 4 ).
- One end portion of the bushing 31 is fitted into the code passage portion 23 with a portion thereof being elastically deformed, and thus displacement of the connection codes 30 and the bushing 31 with respect to the code passage portion 23 is restricted.
- connection codes 30 and the bushing 31 bend so as to fold upward at a generally intermediate portion of the bushing 31 in a longitudinal direction ( FIG. 4 ).
- the gasket 17 is attached to the circuit board 16 in a state where the circuit board 16 is disposed in the board mounting portion 22 ( FIGs. 4 to 6 ).
- the gasket 17 is attached to the housing 19 with a closing surface portion 32 thereof closing the opening of the board mounting portion 22 ( FIGs 4 and 5 ), and protects the circuit board 16 disposed in the board mounting portion 22 against water.
- the lid member 18 is joined to the housing 19 in a state where the gasket 17 is attached to the board mounting portion 22.
- the lid member 18 includes a generally plate-shaped covering surface portion 34 facing the up-down direction, side surface portions 35 respectively extending downward from both sides of the covering surface portion 34 in the right-left direction, a code holding portion 36 provided to be continuous with a lower end portion of one of the side surface portions 35 ( FIGs. 4 to 6 ).
- An outer shape of the covering surface portion 34 is the same as an outer shape of the closing surface portion 32 of the gasket 17, and has substantially the same size as the size of the outer shape of the closing surface portion 32.
- Joining holes 35a extending through the side surface portions 35 in the right-left direction are provided in the side surface portions 35.
- Two joining holes 35a are provided in each side surface portion 35.
- the two joining holes 35a in the same side surface portion 35 are spaced apart in the front-rear direction.
- the joining protrusions 25 are engaged with lower edges defining the joining holes 35a provided in the side surface portions 35, and thus the lid member 18 is joined to the housing 19 ( FIGs. 4 and 5 ).
- each connection code 30 is held by the code holding portion 36.
- the light guide 14 as a whole has a shape extending in the generally front-rear direction. A rear end portion of the light guide 14 is disposed above the lamp member 13, and the light guide 14 except the rear end portion is disposed in front of the lamp member 13 ( FIG. 2 and 3 ).
- the light guide 14 is made of the transparent material.
- the light guide 14 has a wide width portion 37 having the widest width in the up-down direction, an extending portion 38 extending in the generally front-rear direction, and a slant portion 39 extending rearward and obliquely from the wide width portion 37.
- the wide width portion 37 is positioned close to a rear end of the light guide 14, the extending portion 38 is positioned in front of the wide width portion 37, and the slant portion 39 is positioned behind the wide width portion 37.
- a notch 40 opening rearward and generally downward is provided in a lower end portion of the wide width portion 37 ( FIG. 4 ).
- a rear surface of the wide width portion 37, which defines the notch 40 is formed as a first light entrance surface 40a, and a lower surface of the wide width portion 37, which defines the notch 40, is formed as a second light entrance surface 40b.
- the second light entrance surface 40b has a stepped shape.
- the extending portion 38 has a tapered shape tapering forward ( FIG. 3 ).
- a lower surface of the extending portion 38 is formed as an internal reflection surface 38a subjected to surface texturing.
- Positioning elongated protrusions 38b protruding in the lateral direction are provided on the extending portion 38 on an intermediate portion in the up-down direction ( FIG. 6 ).
- the slant portion 39 has a tapered shape tapering rearward ( FIGs. 3 and 5 ).
- a rear surface (a surface facing obliquely downward) of the slant portion 39 is formed as an internal reflection surface 39a subjected to surface texturing.
- Positioning elongated protrusions 39b protruding in the lateral direction are provided on the slant portion 39 at a lower end portion ( FIGs. 5 and 6 ).
- An upper end portion of the light guide 14 is also subjected to surface texturing.
- An upper surface of the light guide 14 is formed as a light output surface 14a.
- a cover portion 41 is provided at the lower end portion of the wide width portion 37 ( FIGs. 6 and 7 ).
- the cover portion 41 is provided at a side of the first light entrance surface 40a and the second light entrance surface 40b such that the cover portion 41 faces in the right-left direction.
- the light guide 14 is positioned with respect to the casing 2 by inserting the positioning elongated protrusion 38b and the positioning elongated protrusion 39b in the positioning recess 3a provided in the first panel 3 and inserting the positioning elongated protrusion 38b and the positioning elongated protrusion 39b in the positioning recess 4a provided in the second panel 4, respectively ( FIGs. 4 and 5 ).
- the light guide 14 is disposed in the first space 10 of the accommodation space 9.
- the first light entrance surface 40a faces the function surface 21b of the second light guiding lens 21, and the second light entrance surface 40b faces the third reflection surface 21e of the second light guiding lens 21.
- the tip end portion of the second light guiding lens 21 of the combination member 15 is covered by the cover portion 41 ( FIG. 7 ).
- the combination member 15 can be used in good conditions without increasing the number of the members.
- the combination member 15 and the light guide 14, each of which has an illumination function that emits light, are provided as separate members and disposed in accommodation space 9 individually. As a result, a high strength of a structure including two light components can be achieved, which reduces breaking or deformation of the combination member 15 and the light guide, even when the door handle is deflected upon reception of operating force by the user for operating the door handle 1.
- the combination member 15 and the light guide 14 are provided separately, a positional accuracy of one of the combination member 15 and the light guide 14 is less likely to affect a positional accuracy of the other.
- the positional accuracy of one of the combination member 15 and the light guide 14 is reduced due to deviation in dimensions, the positional accuracy of the other is less likely to be affected.
- a high positional accuracy of the structure including the two light components can be achieved.
- the light guided by the first light guiding lens 20 is emitted downward from the first emission surface 20b.
- the light emitted from the first emission surface 20b is refracted by the first emission surface 20b.
- the first emission surface 20b is slanted downward as the distance in the right-left direction from the vehicle increases, and slanted with respect to the light axis P, the light emitted from the first emission surface 20b is refracted in a direction away from the door panel 101 of the vehicle, and then a road below at a side of the door panel 101 is illuminated with the emitted light.
- the light A traveling toward the second reflection surface 21d is internally reflected by the second reflection surface 21d, and subsequently enters the third reflection surface 21e.
- the light A in the third reflection surface 21e except a portion thereof, travels toward the function surface 21b, and after emitted from the function surface 21b, enters the light guide 14 through the first light entrance surface 40a.
- the portion of the light A, which has been internally reflected by the second reflection surface 21d and entered the third reflection surface 21e, is emitted from the third reflection surface 21e as leaked light, and then enters the light guide 14 through the second light entrance surface 40b.
- the light B which has been internally reflected by the first reflection surface 21c and travelled toward the function surface 21b, enters the third reflection surface 21e after internally reflected by the function surface 21b.
- the light B in the third reflection surface 21e is emitted from the third reflection surface 21e and then enters the light guide 14 through the second light entrance surface 40b.
- the light having entered into the light guide 14 through the first light entrance surface 40a is guided through the extending portion 38 and emitted from the light output surface 14a.
- the light having entered the light guide 14 from the second light entrance surface 40b is guided through the wide width portion 37 or the slant portion 39 and emitted from the light output surface 14a.
- the upper end portion of the light guide 14 is subjected to surface texturing.
- the light is also internally reflected by the portion subjected to the surface texturing and guided to the light output surface 14a.
- the light having entered the light guide 14 is guided through the wide width portion 37, the slant portion 39, or the extending portion 38 and then emitted from the light output surface 14a. As a result, the whole light output surface 14a appears luminous.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Lock And Its Accessories (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Description
- The invention relates to a door handle including a lamp unit in which a light guiding lens guides light in a predetermined direction.
- In some door handles, a circuit board is supported by a housing, a light emission element that functions as a light source is mounted on the circuit board, and light emitted from the light emission element is radiated in a predetermined direction (for example, see Japanese Patent Application Publication
2010-229797 JP-A-2010-229797 2009-133133 JP-A-2009-133133 2006-9279 JP-A-2006-9279 -
JP-A-2007-186943 -
JP-A-2010-229797 JP-A-2009-133133 -
JP-A-2009-270363 JP-A-2009-270363 - In the door handle with illumination as described above, a configuration capable of both spot illumination toward, for example, an area around the user's feet from one end portion of the door handle in a longitudinal direction and illumination extending in the front-rear direction along a shape of the door handle can be adopted.
- Since the door handle is gripped and moved (caused to pivot) by the user when the user operates the door handle, the door handle may be deflected upon reception of operating force by the user. Thus, when a structure including two light components for realizing the both kinds of the illumination, as described above, is provided in the door handle, it is desirable that each light component has a high strength.
- In addition, when the structure including the two light components is provided, light emitted from the light components are required to be radiated to respective predetermined areas. Thus, it is also desirable that each light component is disposed with a high positional accuracy.
- The invention provides a door handle in which a structure including two light components achieve a high strength and a high positional accuracy.
- An aspect of the invention relates to a door handle as defined in
claim 1. - According to the above configuration, the combination member and the light guide are disposed in the accommodation space as separate members. Thus, a high strength and a high positional accuracy of a structure including two light components can be achieved.
- The light guiding lens may include a first light guiding lens and a second light guiding lens. The first light guiding lens may include a first emission surface that emits light emitted from the light emission element downward of the door handle, and the second light guiding lens may include a second emission surface that emits light emitted from the light emission element toward the light entrance surface of the light guide. The light guide may include, in an upper surface, a light output surface that emits light entering the light guide through the light entrance surface.
- The light guide includes a cover portion that covers a portion of the light guiding lens. The cover portion is provided at a side of the light entrance surface of the light guide.
- According to the above configuration, adhesion of rainwater or dirt to the combination member can be prevented by the cover portion without providing a dedicated member for covering the combination member.
- Features, advantages, and technical and industrial significance of exemplary embodiments of the invention will be described below with reference to the accompanying drawings, in which like numerals denote like elements, and wherein:
-
FIG. 1 shows an embodiment of the invention together withFIGs. 2 to 9 , and is a schematic perspective view showing a door handle joined to a door; -
FIG. 2 is a schematic plan view of the door handle; -
FIG. 3 is a schematic side view of the door handle; -
FIG. 4 is an enlarged cross-sectional view taken along a line IV-IV inFIG. 2 ; -
FIG. 5 is an enlarged cross-sectional view taken along a line V-V inFIG.3 ; -
FIG. 6 is an enlarged exploded perspective view of a lamp member; -
FIG. 7 is an enlarged cross-sectional view showing a state in which a portion of a second light guiding lens is covered by a cover portion of a light guide. -
FIG. 8 is an enlarged view showing paths of light emitted from a first light guiding lens; and -
FIG. 9 is an enlarged view showing paths of light output from the light guide via the second light guiding lens. - Hereinafter, an embodiment of a door handle according to the invention is explained with reference to the drawings.
- A
door handle 1 is used as a handle provided for adoor 100 of a vehicle. Thedoor handle 1 has a shape extending in a front-rear direction of the vehicle, for example, and includes acasing 2 and alamp unit 12 disposed inside thecasing 2, which will be described later (FIGs. 1 to 3 ). A joint portion of thedoor handle 1, which is provided at a front end portion thereof and not shown in the drawings, is joined to a door panel 101 (FIG. 1 ). Apanel concavity 101a is formed in an outer surface of thedoor panel 101. Thepanel concavity 101a accommodates user's (occupant's) fingers put in an inner side of thedoor handle 1. - The door handle 1 pivots about the front end portion such that a rear end portion thereof moves in a right-left direction of the vehicle. When the
door 100 is opened, thedoor handle 1 is caused to pivot by the user's operation in a direction in which the rear end portion moves away from thedoor panel 101. When the user's operation is completed, thedoor handle 1 is caused to pivot by an urging member, which is not shown in the drawings, in a direction in which the rear end portion moves closer to thedoor panel 101. Then, thedoor handle 1 returns to an initial position, which is a position of thedoor handle 1 before the use's operation. - In the vehicle including the
door handle 1, when the user carrying a key for starting an engine of the vehicle approaches thedoor handle 1 to be within a certain distance from the vehicle, the key is detected by a detection unit (not shown in the drawings) provided in thedoor handle 1. At this time, the lamp unit 12 (described later) disposed inside thedoor handle 1 radiates light upon detection of the key. Thelamp unit 12 radiates light toward a road surface at least below thedoor handle 1, and then a road surface around the use's feet is illuminated by the radiated light. Due to the radiated light, the user can see whether there is a puddle or the like when thedoor 100 is opened or closed during the night. Thus, the user-friendliness increases. - A concaved
gripping portion 1a is provided in thedoor handle 1 except the front and rear end portions. Theconcaved gripping portion 1a is concaved outward, or in a direction away from the door panel 101 (FIGs 1 and2 ). The user (occupant) grips theconcaved gripping portion 1a by putting the fingers in an inner side of the concavedgripping portion 1a to operate thedoor handle 1. - The
casing 2 includes afirst panel 3, asecond panel 4, and a inner panel 5 (FIG. 4 ). Thefirst panel 3 and thesecond panel 4 are joined to each other in the right-left direction. Thefirst panel 3 is positioned on the outer side and thesecond panel 4 is positioned on the inner side, i.e., on a side closer to thedoor panel 101. - In a state where the
first panel 3 and thesecond panel 4 are joined to each other, theinner panel 5 is positioned inside both thepanels inner panel 5. A positioning pin 7 extending in the generally right-left direction is provided on theinner panel 5 at a position close to a lower edge of theinner panel 5. - An annular-shaped
restriction wall portion 8 extending in an up-down direction of the vehicle is provided in a lower end portion of thecasing 2. A space inside therestriction wall portion 8 communicates with anaccommodation space 9 and a space below the door handle 1 (FIGs. 4 and5 ). Therestriction wall portion 8 is formed by a lower end portion of thesecond panel 4 and a lower end portion of theinner panel 5 connecting to each other in a circumferential direction of therestriction wall portion 8. Therestriction wall portion 8 has a flared internal shape (i.e., a shape in which an internal diameter of therestriction wall portion 8 increases downward). Inside thecasing 2, theaccommodation space 9 extending in the front-rear direction is defined between thefirst panel 3 and thesecond panel 4. Theaccommodation space 9 has afirst space 10 and asecond space 11. Thefirst space 10 is positioned below thesecond space 11. Thesecond space 11 opens upward and anopening 11a at the top is formed as a slit extending in the generally front-rear direction. - A
positioning recess 3a is provided in an inner surface of thefirst panel 3 except a rear end side portion thereof. Thepositioning recess 3a opens toward thesecond panel 4 and extends in the generally front-rear direction. - A
positioning recess 4a is provided in an inner surface of thesecond panel 4 except a rear end side portion thereof. Thepositioning recess 4a opens toward at least thefirst panel 3 and extends in the generally front-rear direction. Thepositioning recess 4a faces thepositioning recess 3a provided in thefirst panel 3. - A dividing
protrusion 4b protruding toward thefirst panel 3 is provided in an intermediate portion of thesecond panel 4 in the up-down direction. Theaccommodation space 9 except a portion thereof is divided into thefirst space 10 and thesecond space 11 by the dividingprotrusion 4b. - The
positioning recess 4c opening toward thefirst panel 3 is provided in thesecond panel 4 at a position close to a lower edge thereof (FIG. 5 ). - The
lamp unit 12 is disposed in theaccommodation space 9 defined in the casing 2 (FIGs. 2 to 5 ). Thelamp unit 12 includes alamp member 13 and alight guide 14. - The
lamp member 13 includes acombination member 15 made of a transparent material, acircuit board 16 supported by thecombination member 15, agasket 17 attached to thecombination member 15, and alid member 18 joined to the combination member 15 (FIGs. 4 and6 ). - The
combination member 15 includes ahousing 19, a firstlight guiding lens 20, and a secondlight guiding lens 21. Thehousing 19, the firstlight guiding lens 20, and the secondlight guiding lens 21 are integrated as thecombination member 15. Thecombination member 15 is disposed in thefirst space 10 of theaccommodation space 9 with thehousing 19 being attached to thecasing 2 and at least a portion of thecombination member 15 being disposed in theaccommodation recess 6 of theinner panel 5. - The
housing 19 includes aboard mounting portion 22 having a box shape opening upward, acode passage portion 23 protruding downward from a rear end side portion of theboard mounting portion 22, apositioning protrusion 24 protruding rearward from theboard mounting portion 22 and thecode passage portion 23, and joiningprotrusions 25 provided on right and left side surfaces of theboard mounting portion 22. - An inner shape of the
board mounting portion 22 is the same as an outer shape of thecircuit board 16, and is slightly larger in size than the outer shape of thecircuit board 16. - The
code passage portion 23 has a tube shape extending in the up-down direction. - The
positioning hole 24a is provided in thepositioning protrusion 24. Thepositioning hole 24a extends through thepositioning protrusion 24 in the right-left direction. - Two joining
protrusions 25 are provided on each of the right and left side surfaces of the board mounting portion 22 (FIGs. 5 and6 ). The two joiningprotrusions 25 on the same side surface of theboard mounting portion 22 are spaced apart in the front-rear direction. - The first
light guiding lens 20 protrudes downward from a front end side portion of the board mounting portion 22 (FIGs. 4 and6 ). The firstlight guiding lens 20 is positioned in front of thecode passage portion 23 with a space therebetween. The space between the firstlight guiding lens 20 and thecode passage portion 23 is defined as the code insertion slit 15a. - The first
light guiding lens 20 has a columnar shape extending in the up-down direction. The firstlight guiding lens 20 has afirst incident surface 20a facing upward on an upper end thereof and afirst emission surface 20b on a lower end thereof. Thefirst emission surface 20b is slanted downward as a distance from the vehicle in the right-left direction increases. In other words, thefirst emission surface 20b is slanted upward with respect to a plane perpendicular to a light axis P of light emitted from alight emission element 28 in a direction from the outside toward the inside in the right-left direction (FIG. 5 ). - A positioning protrusion 20f protruding in a lateral direction of the first
light guiding lens 20 is provided the firstlight guiding lens 20 in the at a position close to the lower end. - The second
light guiding lens 21 is positioned in front of the first light guiding lens 20 (FIGs. 4 and6 ). - The second
light guiding lens 21 has asecond incident surface 21a at an upper surface of a lower end portion and afunction surface 21b facing generally forward at an upper end portion. Thefunction surface 21b functions as a second emission surface. - The second
light guiding lens 21 has afirst reflection surface 21c facing downward at the lower end portion, and asecond reflection surface 21d that faces frontward and obliquely downward and is disposed between thefirst reflection surface 21c and thefunction surface 21b. The secondlight guiding lens 21 has athird reflection surface 21e that is continuous with thefunction surface 21b and faces rearward and obliquely upward. Thethird reflection surface 21e is positioned above thefirst reflection surface 21c. In each of thefirst reflection surface 21c, thesecond reflection surface 21d, and thethird reflection surface 21e, light can be reflected by internal reflection. - As shown in
FIGs 4 and5 , thecombination member 15 configured as described above is positioned with respect to thecasing 2 by inserting the positioning pin 7 of theinner panel 5 in thepositioning hole 24a provided in thepositioning protrusion 24 of thehousing 19 and inserting the positioning protrusion 20f of the firstlight guiding lens 20 in thepositioning recess 4c provided in thesecond panel 4. Thus, thecombination member 15 is disposed in thefirst space 10 of theaccommodation space 9. - When the
combination member 15 is positioned as described above and disposed in thefirst space 10 of theaccommodation space 9, a lower end portion of the firstlight guiding lens 20 is fitted into an upper end portion of therestriction wall portion 8 of thecasing 2. - As described above, the lower end portion of the first
light guiding lens 20 is positioned inside the upper end portion of therestriction wall portion 8 of thecasing 2, and thus thefirst emission surface 20b of the firstlight guiding lens 20 is positioned above thelower surface 2a of thecasing 2. - The plate-shaped
circuit board 16 has a surface (anupper surface 16a) facing upward and a surface (a lower surface 16b) facing downward (FIGs. 4 to 7 ). Thecircuit board 16 is a double-sided circuit board. Adiode 26 having a rectifying function andresistors 27 having a function to restrict current are mounted on a front half portion of theupper surface 16a of thecircuit board 16. Alight emission element 28 functioning as a light source that emits light, and acapacitor 29 having a function to store electricity and a discharge function are mounted on a front half portion of the lower surface 16b of thecircuit board 16. Thelight emission element 28 is positioned in front of thecapacitor 29. - A light emitting diode (LED) is used as the
light emission element 28, for example. Thelight emission element 28 is disposed such that a light emission surface 28a thereof faces downward. Thus, the light axis P of light emitted from thelight emission element 28 extends along the up-down direction. -
Connection codes 30 supply driving current to thelight emission element 28 and the like. One end of eachconnection code 30 is connected to a rear half portion of thecircuit board 16 from below by, for example, soldering. Theconnection codes 30 pass through thefirst space 10 of theaccommodation space 9, and, via a front end portion of thecasing 2, pass through the inside of thedoor 100. The other end of eachconnection code 30 is connected to a power supply circuit, which is not shown in the drawings. - A
bushing 31 is fitted onto a portion of theconnection codes 30 near the one end, and protects the connection codes 30 (FIGs. 4 and6 ). Thebushing 31 is an elastically deformable member made of, for example, a rubber material. - The
circuit board 16 is inserted in theboard mounting portion 22 from above thehousing 19 with theconnection codes 30 being connected to thecircuit board 16, and then disposed in the board mounting portion 22 (FIGs. 4 and5 ). - At this time, the
connection codes 30 and thebushing 31 protecting theconnection codes 30 are inserted in thecode passage portion 23 from above. Thus, theconnection codes 30 and thebushing 31 are attached to the housing 19 (FIG. 4 ). One end portion of thebushing 31 is fitted into thecode passage portion 23 with a portion thereof being elastically deformed, and thus displacement of theconnection codes 30 and thebushing 31 with respect to thecode passage portion 23 is restricted. - The
connection codes 30 and thebushing 31 bend so as to fold upward at a generally intermediate portion of thebushing 31 in a longitudinal direction (FIG. 4 ). - As described above, the
gasket 17 is attached to thecircuit board 16 in a state where thecircuit board 16 is disposed in the board mounting portion 22 (FIGs. 4 to 6 ). - The
gasket 17 is attached to thehousing 19 with aclosing surface portion 32 thereof closing the opening of the board mounting portion 22 (FIGs 4 and5 ), and protects thecircuit board 16 disposed in theboard mounting portion 22 against water. - As described above, the
lid member 18 is joined to thehousing 19 in a state where thegasket 17 is attached to theboard mounting portion 22. Thelid member 18 includes a generally plate-shapedcovering surface portion 34 facing the up-down direction,side surface portions 35 respectively extending downward from both sides of the coveringsurface portion 34 in the right-left direction, acode holding portion 36 provided to be continuous with a lower end portion of one of the side surface portions 35 (FIGs. 4 to 6 ). - An outer shape of the covering
surface portion 34 is the same as an outer shape of theclosing surface portion 32 of thegasket 17, and has substantially the same size as the size of the outer shape of theclosing surface portion 32. - Joining
holes 35a extending through theside surface portions 35 in the right-left direction are provided in theside surface portions 35. Two joiningholes 35a are provided in eachside surface portion 35. The two joiningholes 35a in the sameside surface portion 35 are spaced apart in the front-rear direction. - The joining
protrusions 25 are engaged with lower edges defining the joiningholes 35a provided in theside surface portions 35, and thus thelid member 18 is joined to the housing 19 (FIGs. 4 and5 ). - When the
lid member 18 is joined to thehousing 19, a portion of eachconnection code 30 is held by thecode holding portion 36. - The
light guide 14 as a whole has a shape extending in the generally front-rear direction. A rear end portion of thelight guide 14 is disposed above thelamp member 13, and thelight guide 14 except the rear end portion is disposed in front of the lamp member 13 (FIG. 2 and 3 ). - The
light guide 14 is made of the transparent material. Thelight guide 14 has awide width portion 37 having the widest width in the up-down direction, an extendingportion 38 extending in the generally front-rear direction, and aslant portion 39 extending rearward and obliquely from thewide width portion 37. Thewide width portion 37 is positioned close to a rear end of thelight guide 14, the extendingportion 38 is positioned in front of thewide width portion 37, and theslant portion 39 is positioned behind thewide width portion 37. - A
notch 40 opening rearward and generally downward is provided in a lower end portion of the wide width portion 37 (FIG. 4 ). A rear surface of thewide width portion 37, which defines thenotch 40, is formed as a firstlight entrance surface 40a, and a lower surface of thewide width portion 37, which defines thenotch 40, is formed as a secondlight entrance surface 40b. The secondlight entrance surface 40b has a stepped shape. - The extending
portion 38 has a tapered shape tapering forward (FIG. 3 ). A lower surface of the extendingportion 38 is formed as aninternal reflection surface 38a subjected to surface texturing. Positioningelongated protrusions 38b protruding in the lateral direction are provided on the extendingportion 38 on an intermediate portion in the up-down direction (FIG. 6 ). - The
slant portion 39 has a tapered shape tapering rearward (FIGs. 3 and5 ). A rear surface (a surface facing obliquely downward) of theslant portion 39 is formed as aninternal reflection surface 39a subjected to surface texturing. Positioningelongated protrusions 39b protruding in the lateral direction are provided on theslant portion 39 at a lower end portion (FIGs. 5 and6 ). - An upper end portion of the
light guide 14 is also subjected to surface texturing. An upper surface of thelight guide 14 is formed as alight output surface 14a. - In the
light guide 14, acover portion 41 is provided at the lower end portion of the wide width portion 37 (FIGs. 6 and7 ). Thecover portion 41 is provided at a side of the firstlight entrance surface 40a and the secondlight entrance surface 40b such that thecover portion 41 faces in the right-left direction. - The
light guide 14 is positioned with respect to thecasing 2 by inserting the positioningelongated protrusion 38b and the positioning elongatedprotrusion 39b in thepositioning recess 3a provided in thefirst panel 3 and inserting the positioningelongated protrusion 38b and the positioning elongatedprotrusion 39b in thepositioning recess 4a provided in thesecond panel 4, respectively (FIGs. 4 and5 ). Thus, thelight guide 14 is disposed in thefirst space 10 of theaccommodation space 9. - When the
light guide 14 is disposed in thefirst space 10 of theaccommodation space 9 as described above, a tip end portion of the secondlight guiding lens 21 of thelamp member 13 is positioned inside thenotch 40 of the light guide 14 (FIG. 4 ). In thelight guide 14, the firstlight entrance surface 40a faces thefunction surface 21b of the secondlight guiding lens 21, and the secondlight entrance surface 40b faces thethird reflection surface 21e of the secondlight guiding lens 21. - When the
light guide 14 is disposed in thefirst space 10 as described above, the tip end portion of the secondlight guiding lens 21 of thecombination member 15 is covered by the cover portion 41 (FIG. 7 ). - Accordingly, adhesion of rainwater or dirt to the
combination member 15 is prevented by thecover portion 41 without providing a dedicated member for covering thecombination member 15. Thus, thecombination member 15 can be used in good conditions without increasing the number of the members. - The
combination member 15 and thelight guide 14, each of which has an illumination function that emits light, are provided as separate members and disposed inaccommodation space 9 individually. As a result, a high strength of a structure including two light components can be achieved, which reduces breaking or deformation of thecombination member 15 and the light guide, even when the door handle is deflected upon reception of operating force by the user for operating thedoor handle 1. - In addition, since the
combination member 15 and thelight guide 14 are provided separately, a positional accuracy of one of thecombination member 15 and thelight guide 14 is less likely to affect a positional accuracy of the other. Thus, when the positional accuracy of one of thecombination member 15 and thelight guide 14 is reduced due to deviation in dimensions, the positional accuracy of the other is less likely to be affected. As a result, a high positional accuracy of the structure including the two light components can be achieved. - Hereinafter, the state of light emission from the
lamp member 13 and thelight guide 14 will be explained (FIGs. 7 and8 ). - When light is emitted from the light emission surface 28a of the
light emission element 28 mounted on thecircuit board 16, as shown inFIG. 8 , after the light emitted downward enters the firstlight guiding lens 20 through thefirst incident surface 20a, a portion of the entering light is internally reflected by an inner surface of the firstlight guiding lens 20 and then guided by the firstlight guiding lens 20 toward thefirst emission surface 20b. - The light guided by the first
light guiding lens 20 is emitted downward from thefirst emission surface 20b. The light emitted from thefirst emission surface 20b is refracted by thefirst emission surface 20b. At this time, since thefirst emission surface 20b is slanted downward as the distance in the right-left direction from the vehicle increases, and slanted with respect to the light axis P, the light emitted from thefirst emission surface 20b is refracted in a direction away from thedoor panel 101 of the vehicle, and then a road below at a side of thedoor panel 101 is illuminated with the emitted light. - On the other hand, when light is emitted from the light emission surface 28a of the
light emission element 28 mounted on thecircuit board 16, a portion of the light emitted obliquely enters the secondlight guiding lens 21 through thesecond incident surface 21a, and the entering light travels toward thefirst reflection surface 21c (FIG. 9 ). The light A and B traveling toward thefirst reflection surface 21c is internally reflected by thefirst reflection surface 21c, and then travels toward thesecond reflection surface 21d or thefunction surface 21b. - The light A traveling toward the
second reflection surface 21d is internally reflected by thesecond reflection surface 21d, and subsequently enters thethird reflection surface 21e. The light A in thethird reflection surface 21e, except a portion thereof, travels toward thefunction surface 21b, and after emitted from thefunction surface 21b, enters thelight guide 14 through the firstlight entrance surface 40a. The portion of the light A, which has been internally reflected by thesecond reflection surface 21d and entered thethird reflection surface 21e, is emitted from thethird reflection surface 21e as leaked light, and then enters thelight guide 14 through the secondlight entrance surface 40b. - On the other hand, the light B, which has been internally reflected by the
first reflection surface 21c and travelled toward thefunction surface 21b, enters thethird reflection surface 21e after internally reflected by thefunction surface 21b. The light B in thethird reflection surface 21e is emitted from thethird reflection surface 21e and then enters thelight guide 14 through the secondlight entrance surface 40b. - The light having entered into the
light guide 14 through the firstlight entrance surface 40a is guided through the extendingportion 38 and emitted from thelight output surface 14a. The light having entered thelight guide 14 from the secondlight entrance surface 40b is guided through thewide width portion 37 or theslant portion 39 and emitted from thelight output surface 14a. - A portion of the light, which is guided through the
light guide 14 and reaches theinternal reflection surface 39a or theinternal reflection surface 38a, is internally reflected by theinternal reflection surface 39a or theinternal reflection surface 38a, and then guided to thelight output surface 14a. The upper end portion of thelight guide 14 is subjected to surface texturing. The light is also internally reflected by the portion subjected to the surface texturing and guided to thelight output surface 14a. - As described above, the light having entered the
light guide 14 is guided through thewide width portion 37, theslant portion 39, or the extendingportion 38 and then emitted from thelight output surface 14a. As a result, the wholelight output surface 14a appears luminous.
Claims (4)
- A door handle comprising:a casing (2) inside which an accommodation space (9) is provided; anda lamp unit (12) disposed in the accommodation space (9), wherein the lamp unit (12) includes:characterized in that:a light emission element (28);a circuit board (16) on which the light emission element (28) is mounted;a combination member (15) including a housing (19) that supports the circuit board (16), and a light guiding lens (21) that guides light emitted from the light emission element (28) and having entered the light guiding lens (21) in a first predetermined direction and emits the guided light from an emission surface (21b); anda light guide (14)the light guide (14) includes a first light entrance surface (40a) and a second light entrance surface (40b) facing at least a portion of the emission surface (21b) and guides the light entering the light guide (14) through the first light entrance surface (40a) and the second light entrance surface (40b) in a second predetermined direction,the light guide (14) includes a cover portion (41) that covers a portion of the light guiding lens (21) of the combination member (15)the first light entrance surface (40a) and the second light entrance surface (40b) are defined by a notch (40) provided in the light guide (14),the cover portion (41) is provided at a side of the first light entrance surface (40a) and a side of the second light entrance surface (40b) of the light guide (14).
- The door handle according to claim 1, wherein the combination member (15) and the light guide (14) are provided as separate members.
- The door handle according to claim 1 or 2, wherein:the combination member (15) includes a light guiding lens (21) as defined in claim 1 and an other light guiding lens (20);the light guiding lens (21) includes the emission surface (21b) that emits light emitted from the light emission element (28) toward the first light entrance surface (40a) and the second light entrance surface (40b) of the light guide (14),the other light guiding lens (20) includes an other emission surface (20b) that emits light emitted from the light emission element (28) downward of the door handle.
- The door handle according to claim 3, wherein the light guide (14) includes, in an upper surface, a light output surface (14a) that emits light entering the light guide (14) through the first light entrance surface (40a) and the second light entrance surface (40b).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013238817A JP5955303B2 (en) | 2013-11-19 | 2013-11-19 | Door handle |
PCT/IB2014/002481 WO2015075525A1 (en) | 2013-11-19 | 2014-11-18 | Door handle |
Publications (2)
Publication Number | Publication Date |
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EP3071450A1 EP3071450A1 (en) | 2016-09-28 |
EP3071450B1 true EP3071450B1 (en) | 2017-06-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14830541.0A Active EP3071450B1 (en) | 2013-11-19 | 2014-11-18 | Illuminated door handle |
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US (1) | US10668851B2 (en) |
EP (1) | EP3071450B1 (en) |
JP (1) | JP5955303B2 (en) |
CN (1) | CN105764753B (en) |
WO (1) | WO2015075525A1 (en) |
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JP5955303B2 (en) * | 2013-11-19 | 2016-07-20 | 株式会社小糸製作所 | Door handle |
US9489604B2 (en) * | 2014-06-03 | 2016-11-08 | IE-9 Technology Corp. | Optically variable data storage device |
US11126902B2 (en) | 2014-06-03 | 2021-09-21 | IE-9 Technology Corp. | Optically variable data storage device |
JP6479412B2 (en) * | 2014-10-24 | 2019-03-06 | スタンレー電気株式会社 | Vehicle lighting |
JP7261575B2 (en) * | 2018-12-14 | 2023-04-20 | 株式会社ユーシン | vehicle lighting system |
JP2020093733A (en) * | 2018-12-14 | 2020-06-18 | 株式会社ユーシン | Vehicular lighting system |
DE102019201325A1 (en) * | 2019-02-01 | 2020-08-06 | BSH Hausgeräte GmbH | Handle for a door of a household appliance with a specific light guide, as well as a door and household appliance |
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-
2013
- 2013-11-19 JP JP2013238817A patent/JP5955303B2/en not_active Expired - Fee Related
-
2014
- 2014-11-18 US US15/037,568 patent/US10668851B2/en active Active
- 2014-11-18 EP EP14830541.0A patent/EP3071450B1/en active Active
- 2014-11-18 CN CN201480062848.5A patent/CN105764753B/en active Active
- 2014-11-18 WO PCT/IB2014/002481 patent/WO2015075525A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3071450A1 (en) | 2016-09-28 |
JP5955303B2 (en) | 2016-07-20 |
CN105764753B (en) | 2018-05-15 |
US10668851B2 (en) | 2020-06-02 |
WO2015075525A1 (en) | 2015-05-28 |
US20160297353A1 (en) | 2016-10-13 |
JP2015098707A (en) | 2015-05-28 |
CN105764753A (en) | 2016-07-13 |
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